Versions of See prior versions of a law on LawServer 2024 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see § 123.25) 2023 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see § 123.25) 2022 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see § 123.25). 2021 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see § 123.25). 2020 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see §123.25) 2019 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see §123.25) 2016 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see §123.25) 2015 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see §123.25) 2014 40 CFR 122.42 – Additional conditions applicable to specified categories of NPDES permits (applicable to State NPDES programs, see §123.25)